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[SPARK-7396] [STREAMING] [EXAMPLE] Update KafkaWordCountProducer to use new Producer API

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Otherwise it will throw exception:

```
Exception in thread "main" kafka.common.FailedToSendMessageException: Failed to send messages after 3 tries.
	at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:90)
	at kafka.producer.Producer.send(Producer.scala:77)
	at org.apache.spark.examples.streaming.KafkaWordCountProducer$.main(KafkaWordCount.scala:96)
	at org.apache.spark.examples.streaming.KafkaWordCountProducer.main(KafkaWordCount.scala)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:623)
	at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:169)
	at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:192)
	at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:111)
	at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
```

Author: jerryshao <saisai.shao@intel.com>

Closes #5936 from jerryshao/SPARK-7396 and squashes the following commits:

270bbe2 [jerryshao] Fix Kafka Produce throw Exception issue
This commit is contained in:
jerryshao 2015-05-06 17:44:43 -07:00 committed by Tathagata Das
parent 4e930420c1
commit 316a5c0423
1 changed files with 13 additions and 11 deletions
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24
examples/scala-2.10/src/main/scala/org/apache/spark/examples/streaming/KafkaWordCount.scala
View file

@ -17,9 +17,9 @@
package org.apache.spark.examples.streaming
import java.util.Properties
import java.util.HashMap
import kafka.producer._
import org.apache.kafka.clients.producer.{ProducerConfig, KafkaProducer, ProducerRecord}
import org.apache.spark.streaming._
import org.apache.spark.streaming.kafka._
@ -77,23 +77,25 @@ object KafkaWordCountProducer {
val Array(brokers, topic, messagesPerSec, wordsPerMessage) = args
// Zookeeper connection properties
val props = new Properties()
props.put("metadata.broker.list", brokers)
props.put("serializer.class", "kafka.serializer.StringEncoder")
val props = new HashMap[String, Object]()
props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, brokers)
props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG,
"org.apache.kafka.common.serialization.StringSerializer")
props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG,
"org.apache.kafka.common.serialization.StringSerializer")
val config = new ProducerConfig(props)
val producer = new Producer[String, String](config)
val producer = new KafkaProducer[String, String](props)
// Send some messages
while(true) {
val messages = (1 to messagesPerSec.toInt).map { messageNum =>
(1 to messagesPerSec.toInt).foreach { messageNum =>
val str = (1 to wordsPerMessage.toInt).map(x => scala.util.Random.nextInt(10).toString)
.mkString(" ")
new KeyedMessage[String, String](topic, str)
}.toArray
val message = new ProducerRecord[String, String](topic, null, str)
producer.send(message)
}
producer.send(messages: _*)
Thread.sleep(100)
}
}